#!/usr/bin/python
# -*- coding: utf-8 -*-
try:
    # Python 2
    import urllib
    import urllib2
    import httplib
except ImportError:
    # Python 3
    import urllib.request as urllib_request
    import urllib.parse as urllib_parse
    import http.client as httplib
def mian():
    print("包括的内容：{}".format(globals()))

if __name__ == '__main__':
    mian()